What could this object be or what was it used for?

What could this object be or what was it used for?
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+1 y
So yes, It is Roman and it does have the shape of a dodecahedron. So now we know the proper name for the shape and who presumably made it. However:

WHAT IS IT? WHAT WAS IT USED FOR?
What could this object be or what was it used for?
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